RX7 mark 1. Wouldn't rev past 6000 with Champions, replaced with NGK and sang like an angel. It's not the price, it's the quality.
Go NGK and Iridium. They are a better spark and help burn any sediment off the tip. Also bonus is, they last about 50-80,000km.
If you do get plugs, go with NGK plugs instead. Good quality.
I installed these NGK 94833 plugs a few weeks prior. They are pre-gapped to .031 according to Urotuning.
Guys I replaced the spark plugs tonight with NGK iridium plugs and my light went away. Thankfully it wasn’t anything more that
Sparkplugs replaced at 85,000km, with NGK Iridium plugs.
I buy parts from them for my Volvo. Even with the cost of freight , it's miles cheaper.
the cheap, no name one it came with was doing the exact same thing as the new NGK one I put in (and properly gapped) to try and remedy the issue.
I quit buying Champions 40 years ago for shitty quality.
Champion is garbage.
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